This transmitter for the 2-meter range with a power of 1.5 W was found in a magazine 73 for radio amateurs. No information was provided about the coils.
This circuit with the ULN3784B appeared in the October 1984 issue of Radio Electronics magazine. It can...
Using a period sensor, this circuit was found in the February 1986 issue of Radio Electronics...
This is a slightly different configuration of full-wave power control than we found in an old...